Comfort-Aire HWW120 User Manual
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Installation & Operation
WATER-TO-WATER (HWW) SERIES
Heat Controller, Inc.
General Information
� WARNING! �
� WARNING! �
� CAUTION! �
Safety
Warnings, cautions and notices appear throughout this
manual. Read these items carefully before attempting any
installation, service or troubleshooting of the equipment.
DANGER:Indicates an immediate hazardous situation, which
if not avoided will result in death or serious injury. DANGER
labels on unit access panels must be observed.
WARNING: Indicates a potentially hazardous situation, which
if not avoided could result in death or serious injury.
CAUTION: Indicates a potentially hazardous situation or an
unsafe practice, which if not avoided could result in minor or
moderate injury or product or property damage.
NOTICE: Notification of installation, operation or maintenance
information, which is important, but which is not hazard-
related.
WARNING! To avoid the release of refrigerant into the
atmosphere, the refrigerant circuit of this unit must be
serviced only by technicians who meet local, state, and
federal proficiency requirements.
WARNING! All refrigerant discharged from this unit must
be recovered WITHOUT EXCEPTION. Technicians must
follow industry accepted guidelines and all local, state,
and federal statutes for the recovery and disposal of
refrigerants. If a compressor is removed from this unit,
refrigerant circuit oil will remain in the compressor. To
avoid leakage of compressor oil, refrigerant lines of the
compressor must be sealed after it is removed.
CAUTION! To avoid equipment damage, DO NOT use
these units as a source of heating or cooling during the
construction process. The mechanical components and
filters will quickly become clogged with construction dirt
and debris, which may cause system damage.